{"product_id":"s-s-cycle-129-power-package-engine-performance-kit-for-m8-gear-drive-oil-cooled-with-highlighted-fins-part-no-310-1227","title":"S\u0026S Cycle 129\" Power Package Engine Performance Kit for M8 - Gear Drive, Oil Cooled with Highlighted Fins (Part No. 310-1227)","description":"\u003cp\u003e129\" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8\n\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eUpgrade your Harley-Davidson M8 engine with the S\u0026amp;S Cycle 129\" Power Package Engine Performance Kit, part number 310-1227. Designed for seamless installation, this kit transforms your 107\" oil-cooled M8 into a robust 129\" powerhouse without requiring any case machining. The big bore cylinders come complete with matching cam, cam plate, and oil pump, ensuring optimal performance and compatibility. Crafted in the USA, this performance upgrade is built to enhance your motorcycle's power and reliability while maintaining the original engine serial numbers for easy identification and registration.\u003cbr\u003e The kit features independent scavenge sections for the flywheel cavity and cam chest, along with a magnet in the cam chest to prevent debris from entering the oil pump, promoting engine longevity. High-performance conical single-wire S\u0026amp;S valve springs provide reliable valve operation under demanding conditions, while MLS (multi-layered steel) head gaskets ensure a durable seal. Passage plugs are removable for easier servicing, and debris screens are installed in both scavenge pickups to prevent contaminants from entering the oil system. The included performance-matched 550 cam delivers increased airflow and torque, working harmoniously with the stock crankcase for a straightforward upgrade that maximizes engine output.\u003cbr\u003e With highlighted fin design for enhanced cooling and a gear drive system, this kit offers a combination of performance, durability, and style. Whether you're aiming for increased horsepower or improved torque, the S\u0026amp;S Cycle 129\" Power Package is a reliable choice for serious riders seeking to elevate their motorcycle's performance without extensive modifications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eTransforms 107\" oil-cooled M8 into 129\" without case machining\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes matching cam, cam plate, and oil pump for seamless upgrade\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIndependent scavenge sections for flywheel cavity and cam chest\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMagnet in cam chest to prevent debris entry into oil pump\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh-performance conical single-wire S\u0026amp;S valve springs for reliable valve operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRetains original engine serial numbers for compliance and registration\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRemovable passage plugs for convenient servicing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDebris screens in both scavenge pickups to filter contaminants\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMLS (multi-layered steel) head gaskets for durable sealing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePerformance-matched 550 cam for increased airflow and torque\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with stock crankcase for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade in the USA with highlighted fin design for improved cooling\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGear drive system for reliable timing and performance\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":49883663859905,"sku":"0904-0114","price":3359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0060\/5929\/4802\/files\/2758498.png?v=1767397572","url":"https:\/\/teamdreamrides.com\/products\/s-s-cycle-129-power-package-engine-performance-kit-for-m8-gear-drive-oil-cooled-with-highlighted-fins-part-no-310-1227","provider":"Team Dream Rides","version":"1.0","type":"link"}